Problem I
Matchsticks — Problem Statistics

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Submissions	1993
Accepted submissions	542
Submission ratio	27.20%
Authors	462
Full solves [?]	346
Full solve Ratio	74.89%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-06-28 15:20:38
2	Marcus Blücher	0.00 s	C	2019-10-08 12:55:54
3	a_b__c	0.00 s	C	2021-01-28 05:03:04
4	Bergur Snorrason	0.00 s	C	2021-04-12 12:35:18
5	Alexander Bilde Pedersen	0.00 s	C	2023-09-07 18:00:14

#	User	Runtime	Language	Date
1	Khin Nyunt	0.02 s	C#	2017-09-13 13:19:20
2	Martin Neihoff	0.02 s	C#	2019-05-14 14:01:10
3	Jens Erik	0.05 s	C#	2025-11-19 23:35:21
4	Simon Thillemann Nielsen	0.05 s	C#	2025-11-19 23:35:42

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-30 07:40:49

#	User	Runtime	Language	Date
1	Khin Nyunt	0.00 s	Go	2023-09-14 16:55:17
2	Jonas Hedin	0.09 s	Go	2015-03-01 14:17:38
3	Paul Boddington	0.09 s	Go	2016-05-19 23:55:50

#	User	Runtime	Language	Date
1	Fredrik Sommar	0.00 s	Haskell	2015-12-10 10:39:15
2	Theo Åhfeldt	0.00 s	Haskell	2019-05-31 20:09:35
3	Muhammad Rais Fathin Mudzakir	0.01 s	Haskell	2018-11-19 19:51:26
4	Brent Yorgey	0.01 s	Haskell	2018-11-22 04:55:41
5	Zach Tschetter	0.01 s	Haskell	2021-07-25 18:17:13

#	User	Runtime	Language	Date
1	Gustav Zander	0.05 s	Java	2015-12-10 07:52:20
2	Ludvig Jansson	0.05 s	Java	2015-12-14 19:36:29
3	Michael Sullivan	0.05 s	Java	2016-02-09 16:55:42
4	Finn Lidbetter	0.05 s	Java	2016-12-22 18:07:50
5	Samuel Klingström	0.05 s	Java	2017-09-07 20:06:35
6	Erik Odenman	0.06 s	Java	2011-11-23 18:19:15
7	Niklas Rönnholm	0.06 s	Java	2015-12-09 09:58:06
8	Erik Ranby	0.06 s	Java	2015-12-09 14:50:47
9	Jonas Stendahl	0.06 s	Java	2015-12-09 15:01:04
10	Daniel Millevik	0.06 s	Java	2015-12-12 01:09:01

#	User	Runtime	Language	Date
1	Khin Nyunt	0.42 s	JavaScript (Node.js)	2021-11-21 15:52:08

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-04-12 08:22:07
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-08-10 01:22:12

#	User	Runtime	Language	Date
1	Timothy Gaede	0.47 s	Julia	2024-08-09 07:08:14

#	User	Runtime	Language	Date
1	Phường Lên	0.16 s	Kotlin	2020-04-12 09:11:11
2	Adam Rankin	0.20 s	Kotlin	2023-09-27 22:51:04

#	User	Runtime	Language	Date
1	Peter Hairatidis	0.00 s	Lua	2025-12-02 23:36:00

#	User	Runtime	Language	Date
1	Ailo Aasen	0.03 s	Python 2	2015-08-30 19:02:40
2	Jonas Höglund	0.03 s	Python 2	2016-01-02 16:03:15
3	Josenildo Silva	0.03 s	Python 2	2017-05-02 16:00:10
4	Maj Stenmark	0.03 s	Python 2	2018-12-02 16:36:13
5	Martin Neihoff	0.03 s	Python 2	2019-06-05 10:26:12
6	Andreas Björklund	0.06 s	Python 2	2018-12-13 06:29:25
7	David Nilsson	0.06 s	Python 2	2019-06-15 15:46:55
8	Sivasankaran D	0.07 s	Python 2	2025-11-03 13:51:50

#	User	Runtime	Language	Date
1	Daniel Kruczek	0.02 s	Python 3	2015-12-09 12:43:24
2	Casper Winsnes	0.02 s	Python 3	2015-12-14 18:51:23
3	Hidden user	0.02 s	Python 3	2015-12-14 21:51:27
4	Jonas Höglund	0.02 s	Python 3	2016-01-02 16:02:45
5	Fredrik Jonsson	0.02 s	Python 3	2016-05-12 00:07:31
6	Benny Feng	0.02 s	Python 3	2016-05-21 21:45:44
7	Óðinn Eyjólfsson	0.02 s	Python 3	2017-03-05 22:36:16
8	Alexander Jonasson	0.02 s	Python 3	2018-05-21 20:19:06
9	Emil Clemedson	0.02 s	Python 3	2018-05-23 12:58:49
10	Tran Tuong Minh Nguyen	0.02 s	Python 3	2018-06-28 00:52:49

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-08-14 12:51:34

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2023-02-10 22:17:54
2	Vincent Lagerros	0.00 s	Rust	2024-11-25 01:58:45

#	User	Length	Language	Date
1	Ivan Petrov	616	C	2019-06-28 15:20:38
2	Marcus Blücher	797	C	2019-10-08 12:55:54
3	Alexander Bilde Pedersen	2413	C	2023-09-07 18:00:14
4	Bergur Snorrason	2657	C	2021-04-12 12:35:18
5	a_b__c	3789	C	2021-01-28 05:03:04

#	User	Length	Language	Date
1	Khin Nyunt	1146	C#	2017-09-13 13:23:25
2	Simon Thillemann Nielsen	1592	C#	2025-11-19 23:35:42
3	Jens Erik	1593	C#	2025-11-19 23:35:21
4	Martin Neihoff	4492	C#	2019-05-14 14:01:10

#	User	Length	Language	Date
1	Syx Pek	478	C++	2016-01-29 17:10:59
2	Armen Andreasyan	516	C++	2019-06-02 13:17:58
3	Samuel Tan	529	C++	2020-07-06 09:41:56
4	Andreas Brytting	586	C++	2015-12-15 13:24:37
5	Timothy Ho	637	C++	2017-08-09 14:24:11
6	Johan Wind	715	C++	2018-09-17 17:06:43
7	김종현	718	C++	2015-08-12 09:37:26
8	谢舒凡	719	C++	2018-11-27 13:22:56
9	Hyunjun Lee	737	C++	2023-08-30 13:22:09
10	Hidden user	790	C++	2024-01-16 17:31:02

#	User	Length	Language	Date
1	Hidden user	777	Common Lisp	2019-07-30 07:40:49

#	User	Length	Language	Date
1	Paul Boddington	734	Go	2016-05-19 23:55:50
2	Khin Nyunt	922	Go	2023-09-14 16:55:17
3	Jonas Hedin	1936	Go	2015-03-01 14:17:38

#	User	Length	Language	Date
1	Muhammad Rais Fathin Mudzakir	787	Haskell	2018-11-19 19:51:26
2	Fredrik Sommar	905	Haskell	2015-12-10 10:39:15
3	Brent Yorgey	1523	Haskell	2018-11-22 04:55:41
4	Zach Tschetter	1717	Haskell	2021-07-25 18:17:13
5	Theo Åhfeldt	1771	Haskell	2019-05-31 20:09:35

#	User	Length	Language	Date
1	Kevin Kauffman	721	Java	2021-12-29 05:48:03
2	Khin Nyunt	1159	Java	2017-10-30 05:22:29
3	Tom Boustedt	1192	Java	2022-12-04 16:32:12
4	Horia Maior	1201	Java	2013-10-16 17:11:19
5	Albert Wang	1294	Java	2019-09-26 21:30:51
6	Mitch Price	1318	Java	2015-09-26 05:34:24
7	Jan Štola	1320	Java	2015-06-08 23:02:53
8	Hidden user	1349	Java	2016-09-09 18:33:55
9	Erik Odenman	1444	Java	2011-11-23 18:19:15
10	Duncan Page	1451	Java	2019-02-12 01:05:43

#	User	Length	Language	Date
1	Khin Nyunt	1268	JavaScript (Node.js)	2021-11-21 15:52:08

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	443	JavaScript (SpiderMonkey)	2017-04-12 08:22:07
2	Christian Pilegaard Cederquist	793	JavaScript (SpiderMonkey)	2023-08-10 01:22:12

#	User	Length	Language	Date
1	Timothy Gaede	933	Julia	2024-08-09 07:08:14

#	User	Length	Language	Date
1	Adam Rankin	957	Kotlin	2023-09-27 22:51:04
2	Phường Lên	1384	Kotlin	2020-04-12 09:11:11

#	User	Length	Language	Date
1	Peter Hairatidis	1933	Lua	2025-12-02 23:36:00

#	User	Length	Language	Date
1	Jonas Höglund	454	Python 2	2016-01-02 16:03:15
2	Andreas Björklund	649	Python 2	2018-12-13 06:29:25
3	Josenildo Silva	681	Python 2	2017-05-02 16:00:10
4	David Nilsson	831	Python 2	2019-06-15 15:46:55
5	Sivasankaran D	933	Python 2	2025-11-03 13:51:50
6	Ailo Aasen	937	Python 2	2015-08-30 19:02:40
7	Maj Stenmark	1347	Python 2	2018-12-02 16:36:13
8	Martin Neihoff	4254	Python 2	2019-06-05 10:26:12

#	User	Length	Language	Date
1	Lawry Sorenson	182	Python 3	2025-05-11 06:46:10
2	Peter Stauder	192	Python 3	2023-06-09 21:11:45
3	Benjamin Z White	213	Python 3	2023-06-08 15:12:01
4	Dick Jessen William	331	Python 3	2021-01-18 13:33:05
5	Dylan Potharst	388	Python 3	2022-03-12 21:22:13
6	Bjørn Dons	397	Python 3	2019-05-19 23:57:40
7	Jonas Höglund	454	Python 3	2016-01-02 16:02:45
8	Jason Cannon	460	Python 3	2020-01-01 00:28:38
9	Oskar Haarklou Veileborg	464	Python 3	2021-05-05 17:24:16
10	Hidden user	526	Python 3	2015-12-14 21:51:27

#	User	Length	Language	Date
1	Thomas Feld	128	Ruby	2023-08-14 13:23:46

#	User	Length	Language	Date
1	Vincent Lagerros	1198	Rust	2024-11-25 01:58:45
2	Hidden user	3929	Rust	2023-02-10 22:17:54

Solution running time distribution